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Remove a too strict test and instead, just filter the passed flags with the

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supported capabilities.

Spotted by:	yamori813@yahoo.co.jp (Hiroki Mori)
MFC after:	2 weeks
This commit is contained in:
Luiz Otavio O Souza 2016-12-13 03:36:41 +00:00
parent ec0a42e59c
commit a9a7fbcc58
1 changed files with 3 additions and 3 deletions
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6
sys/dev/gpio/gpiobus.c
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@ -120,9 +120,9 @@ int
gpio_check_flags(uint32_t caps, uint32_t flags) gpio_check_flags(uint32_t caps, uint32_t flags)
{ {
/* Check for unwanted flags. */ /* Filter unwanted flags. */
if ((flags & caps) == 0 || (flags & caps) != flags) flags &= caps;
return (EINVAL);
/* Cannot mix input/output together. */ /* Cannot mix input/output together. */
if (flags & GPIO_PIN_INPUT && flags & GPIO_PIN_OUTPUT) if (flags & GPIO_PIN_INPUT && flags & GPIO_PIN_OUTPUT)
return (EINVAL); return (EINVAL);